Add "Sold Out" to title in list view (WooTickets 3.0)

/**
 * This solution adds a piece of text reading "Sold out!" just after the event title
 * in list view.
 *
 * @uses tribe_has_wootickets()
 * @see http://pastebin.com/hPS9nwft
 *
 * @uses get_wooticket_products()
 * @see http://pastebin.com/csuqeikG
 */
function wootickets_list_view_sold_out() {
    global $post;

    if (TribeEvents::POSTTYPE !== $post->post_type) return;
    if (!tribe_has_wootickets($post->ID)) return;

    $tickets = get_wooticket_products($post->ID);
    $stock = 0;

    foreach ($tickets as $ticket)
        $stock += $ticket->get_stock_quantity();

    if (0 === $stock) echo '<span class="wootickets-sold-out"> Sold out! </span>';
}

// Hook up so it fires during the event list loop
add_action('tribe_events_after_the_event_title', 'wootickets_list_view_sold_out');